18 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Algorithm Narrow ... flutterAV ... • Irregular SVT ... • Irregular SVT ... #Algorithm #Causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Regular Rhythm SVT ... Irregular Rhythm SVT ... Regular rhythm SVT ... Irregular rhythm SVT ... #Algorithm #causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... SVTs - atrial/junctional ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... • Narrow QRS - ... Ventricular tachycardia, SVT ... AVRT, Pre-excited SVT ... #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... , it indicates AV ... activation from SVT ... (e.g., junctional ... #cardiology #CVP
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
SVT. 140-280 ... • Atrial Flutter ... • DDx: SVT + ... #Management #cardiology ... algorithm #irregular
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Differential Diagnosis ... vs SVT (AVNRT, ... > SVT+conduction ... abnormality • Beware AV ... #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... and atrial flutter ... Digoxin effect on ECG ... #ECG
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Flutter (AFL), ... Contractions (PVC ... #Differential #Diagnosis ... #Causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... supraventricular tachycardia (SVT ... #AVR #leadAVR #ecg ... #ekg #differential